
*{
    padding: 0;
    margin: 0;
    list-style: none;
}
.right-4{
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    font-family: if2;
    box-shadow: rgba(0, 0, 0, 0.04) 0 2px 4px 0 inset;
    border: none;
    font-weight: 500;
    background-color: #fff;
    border-radius: 2px;
    padding: 5px;
}
/*.r-b{*/
/*    position: absolute;*/
/*    bottom:100px;*/
/*    right: 0;*/
/*    display: flex;*/
/*    flex-direction: column;*/
/*    align-items: center;*/
/*    justify-content: center;*/
/*}*/
.r-b{
    position: fixed;
    bottom: 100px;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.t{
    display: inline-block;
    color: #666666;
    font-size:20px;
    line-height: 1;
    text-align: center;
    margin-bottom:4px ;
}
.wz{
    margin-bottom: 4px;
    display: block;
    font-size: 12px;
}
button:hover{
    background-color:#3388ff;
}
button:hover>span{
    color: #fff;
}
.callb>a{
    position: fixed;
    bottom: 0;
    right: 50px;
    text-decoration: none;
    display: inline-block;
    background-color: #3388ff;
    width: 140px;
    height: 50px;
    font-size: 16px;
    text-align: center;
    line-height: 50px;
    border-radius: 2px;
    color: #fff;
}

.callb>a:hover{
    background-color: #125ab3;
}